EP0861939A1 - Welding method for paper machine clothing - Google Patents
Welding method for paper machine clothing Download PDFInfo
- Publication number
- EP0861939A1 EP0861939A1 EP97850121A EP97850121A EP0861939A1 EP 0861939 A1 EP0861939 A1 EP 0861939A1 EP 97850121 A EP97850121 A EP 97850121A EP 97850121 A EP97850121 A EP 97850121A EP 0861939 A1 EP0861939 A1 EP 0861939A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fabric
- fabric strip
- lateral
- papermaker
- strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000003466 welding Methods 0.000 title claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 161
- 239000002759 woven fabric Substances 0.000 claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 239000002952 polymeric resin Substances 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims description 3
- 238000009998 heat setting Methods 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000009966 trimming Methods 0.000 claims 1
- 238000009941 weaving Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/08—Felts
- D21F7/10—Seams thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H5/00—Seaming textile materials
- D06H5/003—Devices or apparatus for joining the longitudinal edges of fabrics
- D06H5/005—Devices or apparatus for joining the longitudinal edges of fabrics for making a tubular fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
- B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
- B29C65/086—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary anvil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/128—Stepped joint cross-sections
- B29C66/1282—Stepped joint cross-sections comprising at least one overlap joint-segment
- B29C66/12821—Stepped joint cross-sections comprising at least one overlap joint-segment comprising at least two overlap joint-segments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/128—Stepped joint cross-sections
- B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
- B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
- B29C66/4329—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms the joint lines being transversal but non-orthogonal with respect to the axis of said tubular articles, i.e. being oblique
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/729—Textile or other fibrous material made from plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
- B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
- B29C66/83411—Roller, cylinder or drum types
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
- D21F1/0054—Seams thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
- D21F1/0081—Screen-cloths with single endless strands travelling in generally parallel convolutions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/904—Paper making and fiber liberation with specified seam structure of papermaking belt
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24777—Edge feature
- Y10T428/24785—Edge feature including layer embodying mechanically interengaged strands, strand portions or strand-like strips [e.g., weave, knit, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3033—Including a strip or ribbon
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
- Treatment Of Fiber Materials (AREA)
- Woven Fabrics (AREA)
- Sanitary Thin Papers (AREA)
- Sewing Machines And Sewing (AREA)
- Telephone Function (AREA)
Abstract
Description
Claims (24)
- A method for manufacturing a papermaker's fabric comprising the steps of:a) manufacturing a woven fabric strip from lengthwise and crosswise yarns, said woven fabric strip having a first lateral edge, a second lateral edge and a preselected width measured thereacross between said first and second lateral edges defining a woven fabric strip body, said woven fabric strip further having a first lateral fringe along and extending beyond said first lateral edge, said first lateral fringe being ends of said crosswise yarns;b) spirally winding said fabric strip in a plurality of turns wherein said first lateral edge in a turn of said woven fabric strip body abuts against said second lateral edge of an adjacent turn of said woven fabric strip body, whereby said first lateral fringe in a turn of said woven fabric strip overlies or underlies said woven fabric strip in an adjacent turn thereof, thereby forming a spirally continuous seam separating adjacent turns of said woven fabric strip;c) providing an ultrasonic welding apparatus having a horn for delivering ultrasonic energy to said spirally continuous seam;d) providing an anvil against which said horn may compress a portion of said spirally continuous seam;e) compressing said portion of said spirally continuous seam between said horn and said anvil;f) activating said horn to deliver ultrasonic energy to said portion of said spirally continuous seam; andg) moving said spirally continuous seam longitudinally relative to said horn and said anvil to close said spirally continuous seam by bonding said first lateral fringe to said woven fabric strip in an adjacent turn thereof.
- The method as claimed in claim 1 wherein said step of manufacturing a woven fabric strip comprises the step of removing at least one lengthwise yarn from an edge thereof to provide said first lateral fringe along said first lateral edge.
- The method as claimed in claim 1 wherein said woven fabric strip further has a second lateral fringe along and extending beyond said second lateral edge, said second lateral fringe also being ends of said crosswise yarns.
- The method as claimed in claim 3 wherein said step of manufacturing a woven fabric strip comprises the step of removing at least one lengthwise yarn from an edge thereof to provide said second lateral fringe along said second lateral edge.
- The method as claimed in claim 1 wherein said woven fabric strip is of a single-layer weave.
- The method as claimed in claim 1 wherein said woven fabric strip is of a multi-layer weave.
- The method as claimed in claim 1 wherein said lengthwise and said crosswise yarns are of a synthetic polymeric resin.
- The method as claimed in claim 1 wherein the step of spirally winding said fabric strip is performed by spirally winding said fabric strip about at least two parallel rolls.
- The method as claimed in claim 1 further comprising the step of heat-setting said woven fabric strip following the step of manufacturing said fabric strip.
- The method as claimed in claim 1 further comprising the step of trimming said papermaker's fabric to provide said papermaker's fabric with lateral edges parallel to each other and to a machine direction thereof, and defining a width of said fabric.
- The method as claimed in claim 1 wherein said anvil is a circumferential surface of a rotatable cylindrical member.
- The method as claimed in claim 11 wherein said circumferential surface is knurled.
- A papermaker's fabric comprising a fabric strip woven from lengthwise yarns and crosswise yarns, said fabric strip having a first lateral edge and a second lateral edge separated by a woven fabric strip body, said first lateral edge having a first lateral fringe, formed by ends of said crosswise yarns extending beyond said first lateral edge, said fabric strip being spirally wound in a plurality of contiguous turns wherein said first lateral edge in a turn of said fabric strip body abuts said second lateral edge of an adjacent turn thereof, thereby forming a spirally continuous seam separating adjacent turns of said fabric strip, said spirally continuous seam being closed by ultrasonically bonding said first lateral fringe to said fabric strip along said second lateral edge in an adjacent turn thereof, thereby providing an endless papermaker's fabric having a machine direction, a cross-machine direction, an inner surface and an outer surface.
- A papermaker's fabric as claimed in claim 13 wherein said second lateral edge of said fabric strip has a second lateral fringe formed by ends of said crosswise yarns extending beyond said second lateral edge, and wherein said second lateral fringe is ultrasonically bonded to said fabric strip along said first lateral edge in an adjacent turn thereof.
- A papermaker's fabric as claimed in claim 13 wherein said fabric strip is of a single-layer weave.
- A papermaker's fabric as claimed in claim 13 wherein said fabric strip is of a multi-layer weave.
- A papermaker's fabric as claimed in claim 13 wherein said lengthwise yarns and said crosswise yarns are of a synthetic polymeric resin.
- A papermaker's fabric as claimed in claim 13 haying lateral edges trimmed in a direction parallel to said machine direction thereof.
- A papermaker's fabric as claimed in claim 13 wherein said papermaker's fabric is a component of a forming fabric.
- A papermaker's fabric as claimed in claim 13 wherein said papermaker's fabric is a component of a press fabric.
- A papermaker's fabric as claimed in claim 20 further comprising a non-woven batt of staple fiber material needled into at least one of said inner and outer surfaces thereof.
- A papermaker's fabric as claimed in claim 13 wherein said papermaker's fabric is a component of a dryer fabric.
- A papermaker's fabric as claimed in claim 13 wherein said papermaker's fabric is a component of a base for a polymeric-resin-coated paper industry process belt.
- A papermaker's fabric as claimed in claim 13 wherein said lengthwise yarns of said fabric strip make an angle of less than 10° with respect to a machine direction of said papermaker's fabric.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/797,560 US5713399A (en) | 1997-02-07 | 1997-02-07 | Ultrasonic seaming of abutting strips for paper machine clothing |
US797560 | 1997-02-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0861939A1 true EP0861939A1 (en) | 1998-09-02 |
EP0861939B1 EP0861939B1 (en) | 1999-10-27 |
Family
ID=25171183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97850121A Expired - Lifetime EP0861939B1 (en) | 1997-02-07 | 1997-08-07 | Welding method for paper machine clothing |
Country Status (15)
Country | Link |
---|---|
US (1) | US5713399A (en) |
EP (1) | EP0861939B1 (en) |
JP (1) | JP3611009B2 (en) |
KR (1) | KR100270845B1 (en) |
CN (1) | CN1163650C (en) |
AT (1) | ATE186087T1 (en) |
AU (1) | AU719982B2 (en) |
BR (1) | BR9705079A (en) |
CA (1) | CA2206087C (en) |
DE (1) | DE69700691T2 (en) |
ES (1) | ES2137770T3 (en) |
ID (1) | ID20536A (en) |
NO (1) | NO310368B1 (en) |
TW (1) | TW396114B (en) |
ZA (1) | ZA976699B (en) |
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- 1997-05-26 AU AU23612/97A patent/AU719982B2/en not_active Ceased
- 1997-07-21 KR KR1019970034064A patent/KR100270845B1/en not_active IP Right Cessation
- 1997-07-28 ZA ZA9706699A patent/ZA976699B/en unknown
- 1997-08-07 ES ES97850121T patent/ES2137770T3/en not_active Expired - Lifetime
- 1997-08-07 EP EP97850121A patent/EP0861939B1/en not_active Expired - Lifetime
- 1997-08-07 AT AT97850121T patent/ATE186087T1/en active
- 1997-08-07 DE DE1997600691 patent/DE69700691T2/en not_active Expired - Lifetime
- 1997-10-17 BR BR9705079A patent/BR9705079A/en not_active IP Right Cessation
- 1997-11-14 NO NO19975241A patent/NO310368B1/en not_active IP Right Cessation
- 1997-12-11 TW TW86118719A patent/TW396114B/en not_active IP Right Cessation
-
1998
- 1998-01-07 CN CNB98103960XA patent/CN1163650C/en not_active Expired - Fee Related
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- 1998-02-02 JP JP03357898A patent/JP3611009B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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US5713399A (en) | 1998-02-03 |
JP3611009B2 (en) | 2005-01-19 |
DE69700691D1 (en) | 1999-12-02 |
KR100270845B1 (en) | 2000-11-01 |
CN1163650C (en) | 2004-08-25 |
ES2137770T3 (en) | 1999-12-16 |
AU719982B2 (en) | 2000-05-18 |
BR9705079A (en) | 1999-07-13 |
NO310368B1 (en) | 2001-06-25 |
CA2206087A1 (en) | 1998-08-07 |
CA2206087C (en) | 2004-08-03 |
CN1194314A (en) | 1998-09-30 |
ID20536A (en) | 1999-01-07 |
DE69700691T2 (en) | 2000-04-06 |
EP0861939B1 (en) | 1999-10-27 |
AU2361297A (en) | 1998-08-13 |
ZA976699B (en) | 1998-02-10 |
NO975241L (en) | 1998-08-10 |
MX9704689A (en) | 1998-08-30 |
KR19980069848A (en) | 1998-10-26 |
ATE186087T1 (en) | 1999-11-15 |
TW396114B (en) | 2000-07-01 |
JPH10226978A (en) | 1998-08-25 |
NO975241D0 (en) | 1997-11-14 |
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